The disclosed technology relates generally to apparatus comprising conductive polymers and more particularly to tag and tag devices comprising a redox-active polymer film, and method of using and manufacturing the same. In one aspect, an apparatus includes a substrate and a conductive structure formed on the substrate which includes a layer of redox-active polymer film having mobile ions and electrons. The conductive structure further includes a first terminal and a second terminal configured to receive an electrical signal therebetween, where the layer of redox-active polymer is configured to conduct an electrical current generated by the mobile ions and the electrons in response to the electrical signal. The apparatus additionally includes a detection circuit operatively coupled to the conductive structure and configured to detect the electrical current flowing through the conductive structure.

The present disclosure provides organic compounds having pseudocapacitive performance and methods of preparing said compounds. The organic compounds can include perylene diamine (PDI) subunits and hexaazatrinaphthylene (HATN) subunits.

Fluorescent water soluble conjugated polymers including polycyclic aromatic comonomers are provided. The conjugated polymers can be linked to an acceptor fluorescent dye. The conjugated polymers find use in conjugates with biological substrates having applications in a variety of applications including methods of analyte detection.

There is a conjugated polymer having a derivative of indacen-4-one having general formula (I):

##STR00001##

wherein: R.sub.1 and R.sub.2, same or different, are selected from C.sub.1-C.sub.30 alkyl groups, linear or branched; optionally substituted cycloalkyl groups; optionally substituted aryl groups; optionally substituted heteroaryl groups; C.sub.1-C.sub.30 alkoxyl groups, linear or branched; R.sub.4—O—[CH.sub.2—CH.sub.2—O].sub.m— polyoxyethylene groups, wherein R.sub.4 is selected from C.sub.1-C.sub.30 alkyl groups, linear or branched, and m is an integer ranging from 1 to 4; —R.sub.5—OR.sub.6 groups, wherein R.sub.5 is selected from C.sub.1-C.sub.30 alkylene groups, linear or branched, and R.sub.6 represents a hydrogen atom or is selected from C.sub.1-C.sub.30 alkyl groups, linear or branched, or is selected from R.sub.4—[—OCH.sub.2—CH.sub.2—].sub.p— polyoxyethylene groups, wherein R.sub.4 has the same meanings as reported above and p is an integer ranging from 1 to 4; —COR.sub.7 groups, wherein R.sub.7 is selected from C.sub.1-C.sub.30 alkyl groups, linear or branched; —COOR.sub.8 groups, wherein R.sub.8 is selected from C.sub.1-C.sub.30 alkyl groups, linear or branched; or they represent a —CHO group or a cyano (—CN) group; R.sub.3 is selected from C.sub.1-C.sub.30 alkyl groups, linear or branched; optionally substituted cycloalkyl groups; optionally substituted aryl groups; and C.sub.1-C.sub.30 alkoxyl groups, linear or branched; n is an integer ranging from 10 to 500. There is also a photovoltaic device (or solar device) having a support having the conjugated polymer having a derivative of indacen-4-one.

The present disclosure relates to a continuous flow process for preparing conducting polymers, for example polyaniline. The continuous flow process can provide a controlled synthesis of a conducting polymer from an emulsion comprising a polymerizable organic monomer and a free radical initiator in flow within a temperature controlled continuous flow reactor comprising at least one mixing element. The present disclosure also relates to the conducting polymers prepared by the continuous flow process.

A cross-bred organic semiconductor (OSC) polymer, includes a diketopyrrolopyrrole (DPP)-fused thiophene polymeric material, such that: the DPP-fused thiophene polymeric material comprises a first linear alkyl-substituted DPP portion and a second branched alkyl-substituted DPP portion, the cross-bred OSC polymer comprises a repeat unit having both the first linear alkyl-substituted DPP portion and the second branched alkyl-substituted DPP portion, and the fused thiophene is beta-substituted.

The present disclosure is directed to a method of chemically stripping a surface. The method comprises applying a sealant to at least a portion of a surface of an object, the surface comprising a coating and one or more ingression points, the sealant filling the one or more ingression points to form a sealed surface. The method further comprises applying a stripping agent to the sealed surface to remove at least a portion of the coating to form a stripped surface.

A sandwich-type graphene composite structure formed of carbon-coated silicon nanoparticles and graphene, and a method for manufacturing the same are provided. The sandwich-type graphene composite structure is formed of a carbon-coated silicon graphene through an environmentally friendly filtration process. The formed sandwich-type graphene composite structure relieves the volume expansion of the silicon. In addition, the carbon coated on the silicon surface improves electrical conductivity and may be used as a high-capacity anode material.

A composition of matter including a crosslinked bottlebrush polymer, wherein the crosslinker units in the composition of matter are soluble with the bottlebrush polymer. In one example, the crosslinked bottlebrush polymer is tailored as a single phase (solvent free) elastomer useful in a capacitive pressure sensing device. A novel embodiment of the present invention further includes demonstration of a universal approach to form solvent-free bottlebrush polymer networks by photo-crosslinking mixtures of well-defined bottlebrush precursors and bis-benzophenone-based additives. This method has been proven effective with a wide variety of different side-chain chemistries.

The present disclosure provides a light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode.